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Yes since version 6.2 from February: https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/versions/ https://addons.mozilla.org/en-US/firefox/

by xuhu 6y ago

Yes since version 6.2 from February: https://addons.mozilla.org/en-US/firefox/addon/multi-account-containers/versions/ https://addons.mozilla.org/en-US/firefox/addon/multi-account...